How to cut a pipe straight with a grinder, safety rules

At first glance, working with a grinder seems simple and straightforward. But this is only for those who have never encountered pipe sawing. To do this smoothly, take into account the main nuances and tricks that are important in the work. In particular, preliminary marking plays a huge role, as well as holding the angle grinder in a certain position when working at high speeds.

How to cut a pipe straight with a grinder

Looking at the material and the sander, especially if the latter is equipped with a large cut-off wheel, it seems that everything is done quickly and the edge will be perfectly flat. The operation seems straightforward, which is misleading for the wizards.

Later, when connecting the pieces, it becomes clear that without the markup, the result is far from perfect.

Cutting a large profile pipe

This kind of material has a square shape. Some people mistakenly believe that the drawing is made using a tape measure. Referring to such advice, you will ruin the profile pipe.

For a high-quality cut at 45 °, we advise you to arm yourself with a regular school ruler in the form of an isosceles triangle. The markup is made according to the following scheme:

1. A straight line is drawn perpendicular to the board of the product.
2. The pipe is turned and oblique markings are applied to the adjacent face at 45 degrees.
3. Again, overturn and draw a perpendicular.
4. On the fourth face, the lines are connected diagonally.

Next, they start working with angle grinders. For convenience, we recommend using masking tape.

We cut a round pipe

Cutting a cylindrical pipe at an angle of 45 ° is becoming a serious problem for some craftsmen. After alignment, a perfect angle should be formed. It is extremely difficult to make measurements and outline the material with a tape measure. We advise you to use a simple method.

An A4 sheet is folded diagonally into a triangle so that the upper and lower corners match perfectly. The excess is removed, and then the resulting triangle is folded in half again. Let's start sketching.

How to make markings for future cutting

To prepare well, there is a highly publicized way with paper. The sheet is simply wrapped around the pipe and the ends are connected so that they match perfectly. Next, draw lines with a pencil or a bright marker.

By the way, having wrapped electrical tape or masking tape in a similar way, you don't have to draw anything. The slices are simply made along the edge of the wrapper.

A similar paper-free method is used for round profiles. Leaning them against the wall, put the marker at one point and scroll in a circle. The result is an even and accurate marking.

When sawing, the grinder is placed perpendicular to the material on which you are working. This means that the casing and the nut of the angle grinder are in the same plane.